Where Can Thistle Weevils Be Obtained?
In Alabama, our approach has been to establish the weevils in nursery sites. Then, as these weevil populations build up, they are redistributed from the nursery pastures to other fields. Weevils will also spread on their own, at least a mile per year. Eventually, we hope that both the thistle head weevil and the rosette weevil will be found throughout the northern half of Alabama as a result of redistribution efforts and natural spread. Please check with your county Extension agent if you are interested in releasing the weevils on your farm. He or she will have the latest information on where the weevils have been released and where there are enough of them to be collected for redistribution. Successfully Establishing The Thistle Head Weevil Collect thistle head weevils in early spring by shaking them off flowerheads into a dishpan. Dump the weevils out of the dishpan into a small closed container and keep them shaded and cool until release. It is important to collect the weevils while
